10. Coober Pedy is a town in Australia that mines most of the world's precious opals. Because of the scorching heat, much of the population lives in underground “dugouts." The Coober Pedy monthly high temperatures are shown in Figure 1.116,

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 14CC
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10:45 4
Q AA R
10. Coober Pedy is a town in Australia that
mines most of the world's precious opals.
Because of the scorching heat, much of the
population lives in underground “dugouts.
The Coober Pedy monthly high
temperatures are shown in Figure 1.116,
with H(n) the temperature in month n,
where n = 1 is January. We fit the data with
a function,
H(n) = A cos(Bn)+C.
temperature (°C)
36.7
27.5
18.4
n (months)
1
3
7 9 11
Figure 1.116
(a) What does the value of C represent
and what is its value?
(b) What does the value of A represent
and what is its value?
(c) What is the value of B?
83/438
Transcribed Image Text:10:45 4 Q AA R 10. Coober Pedy is a town in Australia that mines most of the world's precious opals. Because of the scorching heat, much of the population lives in underground “dugouts. The Coober Pedy monthly high temperatures are shown in Figure 1.116, with H(n) the temperature in month n, where n = 1 is January. We fit the data with a function, H(n) = A cos(Bn)+C. temperature (°C) 36.7 27.5 18.4 n (months) 1 3 7 9 11 Figure 1.116 (a) What does the value of C represent and what is its value? (b) What does the value of A represent and what is its value? (c) What is the value of B? 83/438
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